Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://pixomot.ru/uplcv?utm_term=how+to+cast+tablet+to+tv+with+chromecast PDF link annotation

  • http://bhttourist.com/upload/fckimagesfile/59012510291.pdfIn PDF document text
  • https://tepatsasaran.com/contents/files/muwobo.pdfIn PDF document text
  • http://vanguardhungary.hu/userfiles/file/56522177974.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/sr00dl9r7a3vfvia29f9dg079m/lulorazewoxopokukano.pdfIn PDF document text
  • https://studybrilliant.online/app/webroot/img/userfiles/file/panusovetiseriluv.pdfIn PDF document text
  • http://aaronandanthony.com/userfiles/files/81094184901.pdfIn PDF document text
  • http://salt17.com/userfiles/files/vapiwoto.pdfIn PDF document text
  • http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/99975087352.pdfIn PDF document text
  • http://dierenwinkelindex.nl/images/uploads/bezudofadefuwid.pdfIn PDF document text
  • http://drsrkbedcollege.com/ckeditor/ckfinder/userfiles/files/63089917940.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/jinijikozomi.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/jasokuzuketa.pdfIn PDF document text
  • http://baloneacessorios.com/_upload/file///temopinosimupiwuzuf.pdfIn PDF document text
  • http://kamnitikamini.si/upload/files/46857412593.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210910202243.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/8f0621c6230b929356227ac1a9946efd/61677426309.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/kuwogid.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/niterawedetu.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161302fdaa71f9---30071417029.pdfIn PDF document text
  • http://www.tecnologycenter.com/admin/uploaded/fck/file/46677147482.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/66335652625.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/72rg373v7tsi5jc20ockmeh674/35538644721.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/e3749d22d5c6bb785e2091cb40880444/jilijulekotimoz.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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